MERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Aerostar 16x25x1, 6-pack
$5.99 per filter
Buying more? Filtrete 12-pack, $67.63 ($5.64 each), from a third-party seller.
Check price on AmazonBest Furnace Filter for Your Size
For most homes, buy a MERV 11 filter in the size printed on your old one and change it every 60 to 90 days. Pick MERV 13 for allergies, pets or smoke: the EPA says most systems handle it if you change it on time.1
It's printed on the edge of your old filter.
MERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Amazon Basics 16x25x1, 6-pack
$5.73 per filter
Buying more? AIRx 12-pack, $63.99 ($5.33 each), from a third-party seller.
See Aerostar on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Filter King 16x25x1, 6-pack
$7.99 per filter
See BNX on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Amazon Basics 20x25x1, 6-pack
$6.48 per filter
Buying more? Filtrete 12-pack, $65.31 ($5.44 each), from a third-party seller.
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Amazon Basics 20x25x1, 6-pack
$6.21 per filter
See Aerostar on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Aerostar 20x25x1, 6-pack
$8.67 per filter
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Aerostar 20x20x1, 6-pack
$5.32 per filter
Buying more? Filterbuy 12-pack, $59.88 ($4.99 each).
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Amazon Basics 20x20x1, 6-pack
$6.07 per filter
Buying more? BNX 12-pack, $69.48 ($5.79 each).
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Simply 20x20x1, 4-pack
$7.99 per filter
Buying more? Filterbuy 12-pack, $81.96 ($6.83 each).
See Aerostar on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Amazon Basics 16x20x1, 6-pack
$5.26 per filter
See BNX MERV 8 on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
BNX 16x20x1, 6-pack
$7.24 per filter
Buying more? Filterbuy 12-pack, $82.92 ($6.91 each).
See Aerostar on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Aerostar 16x20x1, 6-pack
$7.17 per filter
Buying more? AIRx 12-pack, $78.59 ($6.55 each), from a third-party seller.
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 14x25x1, 6-pack
$5.83 per filter
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Simply 14x25x1, 6-pack
$5.90 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Maycold 14x25x1, 6-pack
$8.17 per filter
See BNX on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Amazon Basics 14x20x1, 6-pack
$4.80 per filter
See Filterbuy on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Aerostar 14x20x1, 6-pack
$7.17 per filter
Buying more? Filterbuy 12-pack, $84.96 ($7.08 each).
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Simply 14x20x1, 6-pack
$6.91 per filter
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 20x30x1, 6-pack
$7.34 per filter
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Amazon Basics 20x30x1, 6-pack
$8.40 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Filterbuy 20x30x1, 6-pack
$12.49 per filter
Buying more? Filterbuy 12-pack, $122.88 ($10.24 each).
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 20x24x1, 6-pack
$6.00 per filter
Buying more? Filtrete 12-pack, $64.65 ($5.39 each).
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
BNX 20x24x1, 6-pack
$8.24 per filter
Buying more? Filterbuy 12-pack, $94.92 ($7.91 each).
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
BNX 20x24x1, 6-pack
$9.41 per filter
Buying more? Filterbuy 12-pack, $108.96 ($9.08 each).
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Aerostar 12x24x1, 6-pack
$5.55 per filter
Buying more? Filtrete 12-pack, $56.91 ($4.74 each), from a third-party seller.
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Aerostar 12x24x1, 6-pack
$7.17 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Maycold 12x24x1, 6-pack
$8.23 per filter
Buying more? Aerostar 12-pack, $88.99 ($7.42 each), from a third-party seller.
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 24x24x1, 6-pack
$7.95 per filter
Buying more? Filter King 12-pack, $79.20 ($6.60 each).
See Filterbuy on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Filter King 24x24x1, 6-pack
$9.66 per filter
Buying more? Filterbuy 12-pack, $101.88 ($8.49 each).
See Aerostar on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Chenzhit 24x24x1, 6-pack
$11.66 per filter
Buying more? Filterbuy 12-pack, $116.88 ($9.74 each).
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 16x24x1, 6-pack
$5.83 per filter
Buying more? AIRx 12-pack, $68.17 ($5.68 each), from a third-party seller.
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Aerostar 16x24x1, 6-pack
$8.00 per filter
Buying more? Filterbuy 12-pack, $89.88 ($7.49 each).
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Aerostar 16x24x1, 6-pack
$7.83 per filter
See BNX on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Filtrete 18x24x1, 6-pack
$5.33 per filter
See Simply on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Filter King 18x24x1, 6-pack
$7.95 per filter
Buying more? AIRx 12-pack, $82.50 ($6.88 each), from a third-party seller.
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
BNX 18x24x1, 6-pack
$9.08 per filter
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Aerostar 20x25x4, 6-pack
$12.00 per filter
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Aerostar 20x25x4, 6-pack
$11.32 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Aerostar 20x25x4, 6-pack
$20.16 per filter
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 16x25x4, 6-pack
$13.28 per filter
Check price on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
AirPurete 16x25x4, 6-pack
$15.98 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
AIRx 16x25x4, 6-pack
$18.88 per filter
Check price on AmazonMERV 8
Dust, lint and pollen. Easiest on airflow, for an older system.
Simply 20x20x4, 6-pack
$13.33 per filter
See Filter King on AmazonMERV 11 · most homes
Adds fine dust, mold spores and pet dander. Right for most homes.
Aerostar 20x20x4, 6-pack
$15.41 per filter
Check price on AmazonMERV 13
Adds smoke, bacteria and most fine particles. For allergies, pets or smoke.
Simply 20x20x4, 6-pack
$12.16 per filter
Check price on AmazonThe lowest price per filter we found on Amazon at each MERV, packs of 6 or fewer, buy boxes read November 11, 2026. A year = 4 to 6 changes of a 1-inch filter.
01 / What the prices show
Three things we found in 15 sizes
- MERV 13 costs little more than MERV 8. In the median 1-inch size, the step from our MERV 8 pick to our MERV 13 pick is about $11 a year at 4 changes (16x20x1: $8; 20x30x1: $21). In 16x25x1: $5.99 vs $7.99 per filter.4
- The name on the box costs more than the rating. Where Filtrete was on sale at the same size and MERV, it cost a median 43% more per filter than our pick (20x30x1, MERV 8: $10.46 vs $7.34). MERV is printed by each maker, not checked by an agency, so we compare on price per filter.4
- Your system can likely take MERV 13. The EPA says most furnaces and HVAC systems can, if you change the filter on time.1 A Berkeley Lab study found MERV 10 to 13 changed blower energy by less than 5%; MERV 16 was the problem, at about 20%.3 Worried about airflow? See is MERV 13 too restrictive?
02 / Every size
Lowest price per filter, by size and MERV
Each cell is the cheapest listing per filter that Amazon sold new when we read it, packs of 6 or fewer. Tap a price to see it on Amazon.4
| Size | MERV 8 | MERV 11 | MERV 13 |
|---|---|---|---|
| 16x25x1 | $5.99Aerostar, 6-pack | $5.73Amazon Basics, 6-pack | $7.99Filter King, 6-pack |
| 20x25x1 | $6.48Amazon Basics, 6-pack | $6.21Amazon Basics, 6-pack | $8.67Aerostar, 6-pack |
| 20x20x1 | $5.32Aerostar, 6-pack | $6.07Amazon Basics, 6-pack | $7.99Simply, 4-pack |
| 16x20x1 | $5.26Amazon Basics, 6-pack | $7.24BNX, 6-pack | $7.17Aerostar, 6-pack |
| 14x25x1 | $5.83Simply, 6-pack | $5.90Simply, 6-pack | $8.17Maycold, 6-pack |
| 14x20x1 | $4.80Amazon Basics, 6-pack | $7.17Aerostar, 6-pack | $6.91Simply, 6-pack |
| 20x30x1 | $7.34Simply, 6-pack | $8.40Amazon Basics, 6-pack | $12.49Filterbuy, 6-pack |
| 20x24x1 | $6.00Simply, 6-pack | $8.24BNX, 6-pack | $9.41BNX, 6-pack |
| 12x24x1 | $5.55Aerostar, 6-pack | $7.17Aerostar, 6-pack | $8.23Maycold, 6-pack |
| 24x24x1 | $7.95Simply, 6-pack | $9.66Filter King, 6-pack | $11.66Chenzhit, 6-pack |
| 16x24x1 | $5.83Simply, 6-pack | $8.00Aerostar, 6-pack | $7.83Aerostar, 6-pack |
| 18x24x1 | $5.33Filtrete, 6-pack | $7.95Filter King, 6-pack | $9.08BNX, 6-pack |
| 20x25x4 | $12.00Aerostar, 6-pack | $11.32Aerostar, 6-pack | $20.16Aerostar, 6-pack |
| 16x25x4 | $13.28Simply, 6-pack | $15.98AirPurete, 6-pack | $18.88AIRx, 6-pack |
| 20x20x4 | $13.33Simply, 6-pack | $15.41Aerostar, 6-pack | $12.16Simply, 6-pack |
Per filter = buy-box price ÷ filters in the pack. Size, MERV and pack count come from each listing's own title. Prices read November 11, 2026; they change, so the button shows today's.
03 / What MERV means
What each MERV catches
MERV comes from a lab test (ASHRAE 52.2). These are the minimum shares a filter must trap to earn each number, from the EPA's table.2
| MERV | Smallest, 0.3–1 microns (smoke, bacteria) | Fine, 1–3 microns (fine dust, mold spores) | Large, 3–10 microns (pollen, dust) |
|---|---|---|---|
| 8 | not required | 20% or more | 70% or more |
| 11 | 20% or more | 65% or more | 85% or more |
| 13 | 50% or more | 85% or more | 90% or more |
Filtrete labels filters with its own MPR scale and Home Depot with FPR. To convert, see what MERV rating do I need?
04 / All listings
Every filter we priced, by size
Sorted by price per filter. Open your size.
16x25x1 18 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FiltreteSold by a third-party seller | 8 | 12 | $67.63 | $5.64 | Check price |
| AerostarSold by a third-party seller | 8 | 12 | $70.99 | $5.92 | Check price |
| AerostarSold by Amazon or the maker | 8 | 6 | $35.95 | $5.99 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $71.88 | $5.99 | Check price |
| BNXSold by Amazon or the maker | 8 | 6 | $41.96 | $6.99 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 6 | $44.94 | $7.49 | Check price |
| AIRxSold by a third-party seller | 11 | 12 | $63.99 | $5.33 | See Aerostar on Amazon |
| Amazon BasicsSold by Amazon or the maker | 11 | 6 | $34.38 | $5.73 | See Aerostar on Amazon |
| SimplySold by Amazon or the maker | 11 | 6 | $39.97 | $6.66 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 11 | 6 | $39.99 | $6.67 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $84.96 | $7.08 | See Aerostar on Amazon |
| BNXSold by Amazon or the maker | 11 | 6 | $45.96 | $7.66 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 11 | 2 | $19.79 | $9.89 | See Aerostar on Amazon |
| Filter KingSold by Amazon or the maker | 13 | 6 | $47.94 | $7.99 | See BNX on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 12 | $97.92 | $8.16 | See BNX on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $49.97 | $8.33 | See BNX on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $52.27 | $8.71 | See BNX on Amazon |
| FiltreteSold by Amazon or the maker | 13 | 4 | $45.11 | $11.28 | See BNX on Amazon |
20x25x1 17 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FiltreteSold by a third-party seller | 8 | 12 | $65.31 | $5.44 | Check price |
| Amazon BasicsSold by Amazon or the maker | 8 | 6 | $38.85 | $6.48 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $77.88 | $6.49 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 6 | $44.94 | $7.49 | Check price |
| BNXSold by Amazon or the maker | 8 | 6 | $44.96 | $7.49 | Check price |
| FrigidaireSold by Amazon or the maker | 8 | 6 | $52.49 | $8.75 | Check price |
| Amazon BasicsSold by Amazon or the maker | 11 | 6 | $37.26 | $6.21 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 11 | 6 | $41.40 | $6.90 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $91.92 | $7.66 | See Aerostar on Amazon |
| BNXSold by Amazon or the maker | 11 | 6 | $49.48 | $8.25 | See BNX on Amazon |
| SimplySold by Amazon or the maker | 11 | 6 | $56.97 | $9.49 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 11 | 2 | $20.69 | $10.35 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $51.99 | $8.67 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $105.96 | $8.83 | See Aerostar on Amazon |
| BNXSold by Amazon or the maker | 13 | 6 | $58.59 | $9.77 | See Aerostar on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $59.27 | $9.88 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 13 | 6 | $73.31 | $12.22 | See Aerostar on Amazon |
20x20x1 19 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FilterbuySold by Amazon or the maker | 8 | 12 | $59.88 | $4.99 | See Filterbuy on Amazon |
| AerostarSold by Amazon or the maker | 8 | 6 | $31.93 | $5.32 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $34.17 | $5.70 | See Filterbuy on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 12 | $69.96 | $5.83 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 8 | 12 | $69.99 | $5.83 | See Aerostar on Amazon |
| BNXSold by Amazon or the maker | 11 | 12 | $69.48 | $5.79 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $69.96 | $5.83 | Check price |
| Amazon BasicsSold by Amazon or the maker | 11 | 6 | $36.42 | $6.07 | Check price |
| BNXSold by Amazon or the maker | 11 | 6 | $39.98 | $6.66 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 6 | $43.98 | $7.33 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $44.51 | $7.42 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 6 | $56.99 | $9.50 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $81.96 | $6.83 | See Filterbuy on Amazon |
| SimplySold by Amazon or the maker | 13 | 4 | $31.96 | $7.99 | See Aerostar on Amazon |
| BNXSold by Amazon or the maker | 13 | 6 | $48.96 | $8.16 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $49.26 | $8.21 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 6 | $49.98 | $8.33 | See Filterbuy on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $52.27 | $8.71 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 13 | 2 | $26.99 | $13.49 | See Aerostar on Amazon |
16x20x1 21 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| Amazon BasicsSold by Amazon or the maker | 8 | 6 | $31.56 | $5.26 | See BNX MERV 8 on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 12 | $67.92 | $5.66 | See BNX MERV 8 on Amazon |
| AerostarSold by a third-party seller | 8 | 12 | $68.99 | $5.75 | See BNX MERV 8 on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $69.96 | $5.83 | See BNX MERV 8 on Amazon |
| AerostarSold by Amazon or the maker | 8 | 6 | $35.82 | $5.97 | See BNX MERV 8 on Amazon |
| FiltreteSold by Amazon or the maker | 8 | 6 | $38.99 | $6.50 | See BNX MERV 8 on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 6 | $44.94 | $7.49 | See BNX MERV 8 on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 12 | $82.92 | $6.91 | See Filterbuy on Amazon |
| BNXSold by Amazon or the maker | 11 | 6 | $43.45 | $7.24 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 11 | 6 | $44.55 | $7.42 | See Aerostar on Amazon |
| SimplySold by Amazon or the maker | 11 | 6 | $45.97 | $7.66 | See Aerostar on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 6 | $49.98 | $8.33 | See Filterbuy on Amazon |
| AerostarSold by Amazon or the maker | 11 | 4 | $35.05 | $8.76 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 2 | $19.79 | $9.89 | See Aerostar on Amazon |
| AIRxSold by a third-party seller | 13 | 12 | $78.59 | $6.55 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $42.99 | $7.17 | Check price |
| BNXSold by Amazon or the maker | 13 | 6 | $47.19 | $7.86 | See BNX on Amazon |
| AerostarSold by a third-party seller | 13 | 12 | $94.99 | $7.92 | See Aerostar on Amazon |
| MaycoldSold by Amazon or the maker | 13 | 6 | $48.99 | $8.17 | See Aerostar on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $54.27 | $9.04 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 13 | 2 | $27.99 | $13.99 | See Aerostar on Amazon |
14x25x1 18 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| SimplySold by Amazon or the maker | 8 | 6 | $34.97 | $5.83 | Check price |
| SimplySold by Amazon or the maker | 8 | 12 | $69.97 | $5.83 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 12 | $71.04 | $5.92 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $73.92 | $6.16 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 6 | $40.45 | $6.74 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $35.38 | $5.90 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $87.96 | $7.33 | Check price |
| Amazon BasicsSold by Amazon or the maker | 11 | 6 | $46.28 | $7.71 | Check price |
| BNXSold by Amazon or the maker | 11 | 6 | $46.96 | $7.83 | Check price |
| TrueSold by Amazon or the maker | 11 | 4 | $31.99 | $8.00 | Check price |
| AerostarSold by a third-party seller | 11 | 6 | $50.99 | $8.50 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 4 | $43.98 | $10.99 | Check price |
| MaycoldSold by Amazon or the maker | 13 | 6 | $48.99 | $8.17 | See BNX on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 12 | $99.96 | $8.33 | See BNX on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $51.97 | $8.66 | See BNX on Amazon |
| SimplySold by Amazon or the maker | 13 | 4 | $35.97 | $8.99 | See BNX on Amazon |
| BNXSold by Amazon or the maker | 13 | 6 | $54.96 | $9.16 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $86.34 | $14.39 | See BNX on Amazon |
14x20x1 20 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| Amazon BasicsSold by Amazon or the maker | 8 | 6 | $28.79 | $4.80 | See Filterbuy on Amazon |
| AerostarSold by Amazon or the maker | 8 | 6 | $31.99 | $5.33 | See Filterbuy on Amazon |
| SimplySold by Amazon or the maker | 8 | 6 | $32.37 | $5.39 | See Filterbuy on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $71.88 | $5.99 | See Filterbuy on Amazon |
| BNXSold by Amazon or the maker | 8 | 6 | $39.46 | $6.58 | See Filterbuy on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 6 | $40.45 | $6.74 | See Filterbuy on Amazon |
| FiltreteSold by Amazon or the maker | 8 | 6 | $45.13 | $7.52 | See Filterbuy on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 12 | $84.96 | $7.08 | Check price |
| AerostarSold by Amazon or the maker | 11 | 6 | $42.99 | $7.17 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $29.97 | $7.49 | Check price |
| BNXSold by Amazon or the maker | 11 | 6 | $44.96 | $7.49 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $44.97 | $7.50 | Check price |
| Nordic PureSold by Amazon or the maker | 11 | 12 | $94.99 | $7.92 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 6 | $56.99 | $9.50 | Check price |
| SimplySold by Amazon or the maker | 13 | 6 | $41.45 | $6.91 | Check price |
| BNXSold by Amazon or the maker | 13 | 6 | $46.96 | $7.83 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $97.92 | $8.16 | Check price |
| AerostarSold by a third-party seller | 13 | 4 | $38.99 | $9.75 | Check price |
| BNXSold by Amazon or the maker | 13 | 4 | $42.96 | $10.74 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $79.24 | $13.21 | Check price |
20x30x1 19 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| SimplySold by Amazon or the maker | 8 | 6 | $44.07 | $7.34 | Check price |
| SimplySold by Amazon or the maker | 8 | 12 | $88.94 | $7.41 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $89.88 | $7.49 | Check price |
| AerostarSold by Amazon or the maker | 8 | 6 | $49.97 | $8.33 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $54.96 | $9.16 | Check price |
| SimplySold by Amazon or the maker | 8 | 4 | $39.54 | $9.88 | Check price |
| FiltreteSold by Amazon or the maker | 8 | 4 | $41.83 | $10.46 | Check price |
| Amazon BasicsSold by Amazon or the maker | 11 | 6 | $50.39 | $8.40 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $106.92 | $8.91 | Check price |
| HoneywellSold by Amazon or the maker | 11 | 12 | $107.89 | $8.99 | Check price |
| HoneywellSold by Amazon or the maker | 11 | 4 | $39.96 | $9.99 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 6 | $59.99 | $10.00 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $62.54 | $10.42 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $122.88 | $10.24 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 6 | $74.94 | $12.49 | Check price |
| AerostarSold by Amazon or the maker | 13 | 6 | $76.99 | $12.83 | Check price |
| Nordic PureSold by Amazon or the maker | 13 | 6 | $79.99 | $13.33 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 5 | $67.95 | $13.59 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $98.81 | $16.47 | Check price |
20x24x1 19 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FiltreteSold by Amazon or the maker | 8 | 12 | $64.65 | $5.39 | Check price |
| SimplySold by Amazon or the maker | 8 | 6 | $35.97 | $6.00 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $79.92 | $6.66 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 6 | $40.45 | $6.74 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $44.27 | $7.38 | Check price |
| Nordic PureSold by Amazon or the maker | 8 | 12 | $97.99 | $8.17 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $94.92 | $7.91 | Check price |
| BNXSold by Amazon or the maker | 11 | 6 | $49.46 | $8.24 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $49.79 | $8.30 | Check price |
| Filter KingSold by Amazon or the maker | 11 | 6 | $52.33 | $8.72 | Check price |
| AIRxSold by a third-party seller | 11 | 6 | $52.99 | $8.83 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 6 | $67.06 | $11.18 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $108.96 | $9.08 | Check price |
| BNXSold by Amazon or the maker | 13 | 6 | $56.45 | $9.41 | Check price |
| AerostarSold by a third-party seller | 13 | 6 | $61.99 | $10.33 | Check price |
| MaycoldSold by Amazon or the maker | 13 | 6 | $63.99 | $10.67 | Check price |
| AIRxSold by a third-party seller | 13 | 4 | $43.66 | $10.91 | Check price |
| SimplySold by Amazon or the maker | 13 | 6 | $69.87 | $11.65 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $96.02 | $16.00 | Check price |
12x24x1 19 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FiltreteSold by a third-party seller | 8 | 12 | $56.91 | $4.74 | Check price |
| AerostarSold by Amazon or the maker | 8 | 6 | $33.33 | $5.55 | Check price |
| SimplySold by Amazon or the maker | 8 | 12 | $66.97 | $5.58 | Check price |
| SimplySold by Amazon or the maker | 8 | 6 | $34.97 | $5.83 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $73.92 | $6.16 | Check price |
| SimplySold by Amazon or the maker | 8 | 4 | $28.97 | $7.24 | Check price |
| AerostarSold by Amazon or the maker | 11 | 6 | $42.99 | $7.17 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $87.96 | $7.33 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $29.97 | $7.49 | Check price |
| TrueSold by Amazon or the maker | 11 | 4 | $31.96 | $7.99 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $47.97 | $8.00 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 2 | $19.39 | $9.70 | Check price |
| Filter KingSold by Amazon or the maker | 11 | 4 | $41.68 | $10.42 | Check price |
| AerostarSold by a third-party seller | 13 | 12 | $88.99 | $7.42 | Check price |
| MaycoldSold by Amazon or the maker | 13 | 6 | $49.39 | $8.23 | Check price |
| AerostarSold by Amazon or the maker | 13 | 6 | $49.96 | $8.33 | Check price |
| SimplySold by Amazon or the maker | 13 | 6 | $49.97 | $8.33 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $99.96 | $8.33 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $66.49 | $11.08 | Check price |
24x24x1 20 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| Filter KingSold by Amazon or the maker | 8 | 12 | $79.20 | $6.60 | See Filterbuy on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $85.92 | $7.16 | See Filterbuy on Amazon |
| SimplySold by Amazon or the maker | 8 | 6 | $47.69 | $7.95 | See Filterbuy on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 6 | $49.92 | $8.32 | See Filterbuy on Amazon |
| AerostarSold by Amazon or the maker | 8 | 6 | $51.95 | $8.66 | See Filterbuy on Amazon |
| FiltreteSold by Amazon or the maker | 8 | 6 | $56.68 | $9.45 | See Filterbuy on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 12 | $101.88 | $8.49 | See Aerostar on Amazon |
| HoneywellSold by Amazon or the maker | 11 | 12 | $107.89 | $8.99 | See Aerostar on Amazon |
| Filter KingSold by Amazon or the maker | 11 | 6 | $57.96 | $9.66 | See Aerostar on Amazon |
| SimplySold by Amazon or the maker | 11 | 6 | $59.97 | $9.99 | See Aerostar on Amazon |
| AerostarSold by Amazon or the maker | 11 | 6 | $62.95 | $10.49 | Check price |
| Filter KingSold by Amazon or the maker | 11 | 4 | $48.96 | $12.24 | See Aerostar on Amazon |
| FiltreteSold by Amazon or the maker | 11 | 6 | $79.99 | $13.33 | See Aerostar on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 12 | $116.88 | $9.74 | Check price |
| ChenzhitSold by Amazon or the maker | 13 | 6 | $69.99 | $11.66 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 6 | $71.94 | $11.99 | Check price |
| Nordic PureSold by Amazon or the maker | 13 | 6 | $71.99 | $12.00 | Check price |
| AerostarSold by Amazon or the maker | 13 | 6 | $73.99 | $12.33 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 5 | $64.95 | $12.99 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 2 | $41.56 | $20.78 | Check price |
16x24x1 17 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| AIRxSold by a third-party seller | 8 | 12 | $68.17 | $5.68 | See Simply on Amazon |
| SimplySold by Amazon or the maker | 8 | 6 | $34.97 | $5.83 | Check price |
| AerostarSold by Amazon or the maker | 8 | 6 | $34.99 | $5.83 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $75.96 | $6.33 | See Simply on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 12 | $77.52 | $6.46 | See Simply on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 6 | $40.45 | $6.74 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 12 | $89.88 | $7.49 | Check price |
| AerostarSold by Amazon or the maker | 11 | 6 | $47.97 | $8.00 | Check price |
| Filter KingSold by Amazon or the maker | 11 | 4 | $33.96 | $8.49 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 6 | $54.96 | $9.16 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $55.97 | $9.33 | Check price |
| AerostarSold by Amazon or the maker | 11 | 4 | $39.95 | $9.99 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 6 | $73.13 | $12.19 | Check price |
| AerostarSold by Amazon or the maker | 13 | 6 | $46.99 | $7.83 | See BNX on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $51.97 | $8.66 | See BNX on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 12 | $103.92 | $8.66 | See BNX on Amazon |
| AerostarSold by a third-party seller | 13 | 4 | $36.99 | $9.25 | See BNX on Amazon |
18x24x1 19 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| FiltreteSold by Amazon or the maker | 8 | 6 | $31.95 | $5.33 | See Simply on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 12 | $84.96 | $7.08 | See Simply on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 6 | $42.55 | $7.09 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $87.96 | $7.33 | See Simply on Amazon |
| SimplySold by Amazon or the maker | 8 | 6 | $45.89 | $7.65 | Check price |
| SimplySold by Amazon or the maker | 8 | 4 | $34.97 | $8.74 | See Simply on Amazon |
| AIRxSold by a third-party seller | 11 | 12 | $82.50 | $6.88 | Check price |
| Filter KingSold by Amazon or the maker | 11 | 6 | $47.68 | $7.95 | Check price |
| BNXSold by Amazon or the maker | 11 | 6 | $51.45 | $8.58 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $51.97 | $8.66 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 12 | $103.92 | $8.66 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $35.97 | $8.99 | Check price |
| FiltreteSold by Amazon or the maker | 11 | 2 | $22.99 | $11.49 | Check price |
| BNXSold by Amazon or the maker | 13 | 6 | $54.45 | $9.08 | Check price |
| Filter KingSold by Amazon or the maker | 13 | 6 | $57.96 | $9.66 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $119.88 | $9.99 | Check price |
| SimplySold by Amazon or the maker | 13 | 4 | $43.17 | $10.79 | Check price |
| SimplySold by Amazon or the maker | 13 | 6 | $64.97 | $10.83 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 6 | $106.65 | $17.78 | Check price |
20x25x4 27 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| AerostarSold by Amazon or the maker | 8 | 6 | $71.99 | $12.00 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $179.88 | $14.99 | Check price |
| AirPureteSold by a third-party seller | 8 | 6 | $89.99 | $15.00 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $103.98 | $17.33 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 5 | $86.90 | $17.38 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 5 | $88.95 | $17.79 | Check price |
| AirPureteSold by a third-party seller | 8 | 4 | $74.88 | $18.72 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 4 | $74.96 | $18.74 | Check price |
| Nordic PureSold by Amazon or the maker | 8 | 6 | $124.99 | $20.83 | Check price |
| AerostarSold by Amazon or the maker | 11 | 6 | $67.94 | $11.32 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $67.47 | $16.87 | See Homequip on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 12 | $212.88 | $17.74 | See Homequip on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 4 | $79.16 | $19.79 | See Homequip on Amazon |
| Filter KingSold by Amazon or the maker | 11 | 6 | $121.98 | $20.33 | See Homequip on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 6 | $122.94 | $20.49 | See Homequip on Amazon |
| FilterbuySold by Amazon or the maker | 11 | 5 | $104.95 | $20.99 | See Homequip on Amazon |
| FiltreteSold by Amazon or the maker | 11 | 4 | $87.65 | $21.91 | See Homequip on Amazon |
| AIRxSold by a third-party seller | 11 | 6 | $149.34 | $24.89 | See Homequip on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $120.99 | $20.16 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 12 | $244.92 | $20.41 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 6 | $139.98 | $23.33 | Check price |
| AerostarSold by a third-party seller | 13 | 4 | $93.99 | $23.50 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 5 | $119.95 | $23.99 | Check price |
| FilterbuySold by Amazon or the maker | 13 | 4 | $99.96 | $24.99 | Check price |
| BNXSold by Amazon or the maker | 13 | 4 | $105.99 | $26.50 | Check price |
| AIRxSold by a third-party seller | 13 | 6 | $165.74 | $27.62 | Check price |
| FiltreteSold by Amazon or the maker | 13 | 2 | $72.04 | $36.02 | Check price |
16x25x4 32 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| SimplySold by Amazon or the maker | 8 | 6 | $79.69 | $13.28 | Check price |
| AirPureteSold by a third-party seller | 8 | 5 | $74.88 | $14.98 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 12 | $179.88 | $14.99 | Check price |
| AerostarSold by Amazon or the maker | 8 | 6 | $90.99 | $15.16 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 5 | $77.90 | $15.58 | Check price |
| AirPureteSold by a third-party seller | 8 | 4 | $64.88 | $16.22 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $103.98 | $17.33 | Check price |
| SimplySold by Amazon or the maker | 8 | 4 | $69.54 | $17.39 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 4 | $69.96 | $17.49 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 4 | $74.96 | $18.74 | Check price |
| FiltreteSold by Amazon or the maker | 8 | 2 | $54.02 | $27.01 | Check price |
| AirPureteSold by a third-party seller | 11 | 6 | $95.88 | $15.98 | Check price |
| AIRxSold by a third-party seller | 11 | 6 | $97.65 | $16.28 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $99.42 | $16.57 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $69.54 | $17.39 | Check price |
| AirPureteSold by a third-party seller | 11 | 4 | $71.88 | $17.97 | Check price |
| AerostarSold by Amazon or the maker | 11 | 6 | $109.80 | $18.30 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 6 | $122.94 | $20.49 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 5 | $104.95 | $20.99 | Check price |
| FiltreteSold by a third-party seller | 11 | 4 | $84.99 | $21.25 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 4 | $87.96 | $21.99 | Check price |
| AIRxSold by a third-party seller | 13 | 6 | $113.27 | $18.88 | Check price |
| Filter KingSold by Amazon or the maker | 13 | 6 | $118.69 | $19.78 | See AIRx Filters on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 12 | $244.92 | $20.41 | See AIRx Filters on Amazon |
| SimplySold by Amazon or the maker | 13 | 6 | $129.54 | $21.59 | See AIRx Filters on Amazon |
| AerostarSold by Amazon or the maker | 13 | 6 | $135.94 | $22.66 | See AIRx Filters on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 6 | $139.98 | $23.33 | See AIRx Filters on Amazon |
| AirPureteSold by a third-party seller | 13 | 4 | $94.88 | $23.72 | See AIRx Filters on Amazon |
| Filter KingSold by Amazon or the maker | 13 | 4 | $94.96 | $23.74 | See AIRx Filters on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 5 | $119.95 | $23.99 | See AIRx Filters on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 4 | $99.96 | $24.99 | See AIRx Filters on Amazon |
| FiltreteSold by Amazon or the maker | 13 | 2 | $72.07 | $36.03 | See AIRx Filters on Amazon |
20x20x4 21 listings
| Filter | MERV | Pack | Price | Per filter | Buy |
|---|---|---|---|---|---|
| SimplySold by Amazon or the maker | 8 | 6 | $79.97 | $13.33 | See Filter King on Amazon |
| Filter KingSold by Amazon or the maker | 8 | 5 | $78.35 | $15.67 | See Filter King on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 12 | $199.92 | $16.66 | Check price |
| Filter KingSold by Amazon or the maker | 8 | 4 | $68.56 | $17.14 | Check price |
| FilterbuySold by Amazon or the maker | 8 | 6 | $114.96 | $19.16 | See Filter King on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 5 | $98.95 | $19.79 | See Filter King on Amazon |
| FilterbuySold by Amazon or the maker | 8 | 4 | $82.96 | $20.74 | See Filter King on Amazon |
| AerostarSold by Amazon or the maker | 11 | 6 | $92.46 | $15.41 | Check price |
| SimplySold by Amazon or the maker | 11 | 6 | $99.97 | $16.66 | Check price |
| SimplySold by Amazon or the maker | 11 | 4 | $71.97 | $17.99 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 6 | $135.96 | $22.66 | Check price |
| FilterbuySold by Amazon or the maker | 11 | 5 | $116.95 | $23.39 | Check price |
| HoneywellSold by a third-party seller | 11 | 5 | $156.84 | $31.37 | Check price |
| HoneywellSold by a third-party seller | 11 | 5 | $158.93 | $31.79 | Check price |
| SimplySold by Amazon or the maker | 13 | 6 | $72.97 | $12.16 | Check price |
| SimplySold by Amazon or the maker | 13 | 4 | $89.77 | $22.44 | See Simply on Amazon |
| AerostarSold by a third-party seller | 13 | 4 | $98.99 | $24.75 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 6 | $156.96 | $26.16 | See Simply on Amazon |
| Nordic PureSold by Amazon or the maker | 13 | 6 | $159.99 | $26.67 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 5 | $134.95 | $26.99 | See Simply on Amazon |
| FilterbuySold by Amazon or the maker | 13 | 4 | $112.96 | $28.24 | See Simply on Amazon |
05 / Questions
Frequently asked
- What MERV rating should I buy?
- MERV 11 suits most homes. MERV 13 catches at least half of the smallest particles the test measures (0.3 to 1 micron), which is why the EPA suggests it if your system can take it. MERV 8 is the easiest on airflow, for an older or weak blower. 21
- Will a MERV 13 filter hurt my furnace?
- Usually not, if you change it on time. The EPA says most furnaces and HVAC systems can take a MERV 13 filter without problems when it is replaced often. A Berkeley Lab study found MERV 10 to 13 filters changed blower energy by less than 5%; MERV 16 was the one that raised energy use by about 20% and caused noise complaints. 13
- How much does a furnace filter cost per year?
- In 16x25x1, the MERV 11 pick costs $5.73 per filter, so $23 to $34 a year at 4 to 6 changes. Across the 1-inch sizes we track, going from MERV 8 to MERV 13 adds about $11 a year (16x20x1: $8; 20x30x1: $21). 4
- How do I find my filter size?
- Read the size printed on the edge of your old filter, like 16x25x1 (width x height x depth, in inches). Buy that same size. The real size is a little smaller than the name, so a "16x25x1" filter measures about 15.5 x 24.5 x 0.75 inches. Don't bend or crush a filter to make it fit; air leaks around it. 1
- How often should I change my furnace filter?
- Makers usually say every 60 to 90 days for a 1-inch filter, per the EPA. Change it sooner if it looks heavily soiled, or if you have pets, smoke or a lot of dust. A 4-inch filter lasts longer; follow the date on its box. 1
- Is a name brand better than a cheaper filter with the same MERV?
- The MERV number is printed by each maker; no agency checks the filters we list. At the same MERV and size, a name brand mostly costs more: Filtrete ran a median 43% above our pick per filter where both were on sale. We pick on price per filter because the rating, not the logo, says what a filter catches. 4
06 / Sources
Where these numbers come from
- 1
- 2
- 3
- 4
Amazon.com product listings (size, MERV and pack from each listing title; price, seller and stock from the buy box)
Related: what MERV rating do I need? · Filtrete vs Nordic Pure vs Aerostar · 4-inch filters for Aprilaire, Honeywell and Lennox cabinets · best 16x25x1 filter · best 20x20x1 filter · best 20x25x1 filter · best 16x25x4 filter · best 20x25x4 filter · best smart thermostats · best air purifiers · heat pump vs furnace